FR3064419B1 - MAGNET STRUCTURE WITH SEVERAL UNITARY MAGNETS IN THE FORM OF PLOTS - Google Patents

MAGNET STRUCTURE WITH SEVERAL UNITARY MAGNETS IN THE FORM OF PLOTS Download PDF

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Publication number
FR3064419B1
FR3064419B1 FR1700906A FR1700906A FR3064419B1 FR 3064419 B1 FR3064419 B1 FR 3064419B1 FR 1700906 A FR1700906 A FR 1700906A FR 1700906 A FR1700906 A FR 1700906A FR 3064419 B1 FR3064419 B1 FR 3064419B1
Authority
FR
France
Prior art keywords
magnet structure
plots
length
unitary magnets
longitudinal face
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1700906A
Other languages
French (fr)
Other versions
FR3064419A1 (en
Inventor
Romain Ravaud
Vasile Mihaila
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Whylot SAS
Original Assignee
Whylot SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Whylot SAS filed Critical Whylot SAS
Priority to JP2019551653A priority Critical patent/JP7365695B2/en
Priority to EP18714561.0A priority patent/EP3602743B1/en
Priority to DK18714561.0T priority patent/DK3602743T3/en
Priority to CN201880020237.2A priority patent/CN110462981B/en
Priority to US16/494,999 priority patent/US11509177B2/en
Priority to RU2019132967A priority patent/RU2813265C2/en
Priority to PCT/FR2018/000066 priority patent/WO2018172636A1/en
Publication of FR3064419A1 publication Critical patent/FR3064419A1/en
Application granted granted Critical
Publication of FR3064419B1 publication Critical patent/FR3064419B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/021—Construction of PM
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2793—Rotors axially facing stators
    • H02K1/2795—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2798—Rotors axially facing stators the rotor consisting of two or more circumferentially positioned magnets where both axial sides of the stator face a rotor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/0221—Mounting means for PM, supporting, coating, encapsulating PM
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/02—Details of the magnetic circuit characterised by the magnetic material
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
    • H02K15/03—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies having permanent magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/12—Impregnating, heating or drying of windings, stators, rotors or machines
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K16/00—Machines with more than one rotor or stator
    • H02K16/04—Machines with one rotor and two stators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
    • H02K41/02—Linear motors; Sectional motors
    • H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
    • H02K41/031—Synchronous motors; Motors moving step by step; Reluctance motors of the permanent magnet type
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/12—Machines characterised by the modularity of some components
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/003—Couplings; Details of shafts

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
  • Sheet Holders (AREA)
  • Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Motor Or Generator Frames (AREA)
  • Linear Motors (AREA)

Abstract

La présente invention concerne une structure d'aimant comprenant plusieurs aimants unitaires sous la forme d'un plot (4) allongé présentant une longueur (4a) s'étendant selon l'épaisseur de la structure d'aimant. Le plot (4) allongé est cylindrique ou sous la forme d'un polyèdre avec au moins une face longitudinale (4b) plane orientée vers une surface de travail de la structure d'aimant, le plot (4) allongé présentant une ligne d'aimantation s'étendant selon sa longueur. Les aimants unitaires (4) étant positionnés dans la structure d'aimant à distance les uns des autres afin d'être isolés électriquement les uns par rapport aux autres, la longueur (4a) de chaque plot (4) étant supérieure au diamètre de la face longitudinale (4b) plane pour un plot (4) cylindrique ou à une plus grande diagonale (4c) reliant deux sommets de ladite face longitudinale (4b) pour un plot (4) en forme de polyèdre.The present invention relates to a magnet structure comprising several unitary magnets in the form of an elongated pad (4) having a length (4a) extending along the thickness of the magnet structure. The elongated pad (4) is cylindrical or in the form of a polyhedron with at least one flat longitudinal face (4b) oriented towards a working surface of the magnet structure, the elongated pad (4) having a line of magnetization extending along its length. The unitary magnets (4) being positioned in the magnet structure at a distance from each other in order to be electrically isolated from each other, the length (4a) of each pad (4) being greater than the diameter of the longitudinal face (4b) flat for a stud (4) cylindrical or with a larger diagonal (4c) connecting two vertices of said longitudinal face (4b) for a stud (4) in the form of a polyhedron.

FR1700906A 2017-03-22 2017-09-08 MAGNET STRUCTURE WITH SEVERAL UNITARY MAGNETS IN THE FORM OF PLOTS Active FR3064419B1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP18714561.0A EP3602743B1 (en) 2017-03-22 2018-03-21 Magnet structure with a plurality of single magnets in the form of blocks
DK18714561.0T DK3602743T3 (en) 2017-03-22 2018-03-21 MAGNETIC STRUCTURE WITH SEVERAL UNIT MAGNETS IN THE FORM OF BLOCKS
CN201880020237.2A CN110462981B (en) 2017-03-22 2018-03-21 Magnet arrangement with a plurality of unit magnets in the form of tabs
US16/494,999 US11509177B2 (en) 2017-03-22 2018-03-21 Magnet structure with a plurality of individual magnets in the form of blocks
JP2019551653A JP7365695B2 (en) 2017-03-22 2018-03-21 Magnet structure containing multiple unit magnets in the form of blocks
RU2019132967A RU2813265C2 (en) 2017-03-22 2018-03-21 Rotating electromagnetic drive with magnetic structure with multiple individual magnets in the form of blocks
PCT/FR2018/000066 WO2018172636A1 (en) 2017-03-22 2018-03-21 Magnet structure with a plurality of single magnets in the form of blocks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1700295A FR3064423B1 (en) 2017-03-22 2017-03-22 ROTOR FOR MOTOR OR ELECTROMAGNETIC GENERATOR WITH ALVEOLAR STRUCTURE COMPRISING ALVEOLES FOR THE HOUSING OF RESPECTIVE MAGNETS
FR1700295 2017-03-22

Publications (2)

Publication Number Publication Date
FR3064419A1 FR3064419A1 (en) 2018-09-28
FR3064419B1 true FR3064419B1 (en) 2022-03-11

Family

ID=59296892

Family Applications (5)

Application Number Title Priority Date Filing Date
FR1700295A Active FR3064423B1 (en) 2017-03-22 2017-03-22 ROTOR FOR MOTOR OR ELECTROMAGNETIC GENERATOR WITH ALVEOLAR STRUCTURE COMPRISING ALVEOLES FOR THE HOUSING OF RESPECTIVE MAGNETS
FR1700906A Active FR3064419B1 (en) 2017-03-22 2017-09-08 MAGNET STRUCTURE WITH SEVERAL UNITARY MAGNETS IN THE FORM OF PLOTS
FR1700915A Active FR3064420B1 (en) 2017-03-22 2017-09-11 ROTOR FOR ELECTROMAGNETIC MOTOR OR GENERATOR WITH ALVEOLAR STRUCTURE CONTAINING ALVEOLES FOR HOUSING RESPECTIVE MAGNETS
FR1700936A Active FR3064421B1 (en) 2017-03-22 2017-09-18 ROTOR FOR ELECTROMAGNETIC MOTOR OR GENERATOR WITH RADIAL FLOW FEATURING A MESH HOUSING UNIT MAGNETS
FR1701268A Active FR3064422B1 (en) 2017-03-22 2017-12-01 ELECTROMAGNETIC MOTOR OR GENERATOR INCLUDING A ROTOR WITH MAGNET STRUCTURES INCLUDING UNIT MAGNETS AND A STATOR WITH CONCENTRIC WINDINGS

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1700295A Active FR3064423B1 (en) 2017-03-22 2017-03-22 ROTOR FOR MOTOR OR ELECTROMAGNETIC GENERATOR WITH ALVEOLAR STRUCTURE COMPRISING ALVEOLES FOR THE HOUSING OF RESPECTIVE MAGNETS

Family Applications After (3)

Application Number Title Priority Date Filing Date
FR1700915A Active FR3064420B1 (en) 2017-03-22 2017-09-11 ROTOR FOR ELECTROMAGNETIC MOTOR OR GENERATOR WITH ALVEOLAR STRUCTURE CONTAINING ALVEOLES FOR HOUSING RESPECTIVE MAGNETS
FR1700936A Active FR3064421B1 (en) 2017-03-22 2017-09-18 ROTOR FOR ELECTROMAGNETIC MOTOR OR GENERATOR WITH RADIAL FLOW FEATURING A MESH HOUSING UNIT MAGNETS
FR1701268A Active FR3064422B1 (en) 2017-03-22 2017-12-01 ELECTROMAGNETIC MOTOR OR GENERATOR INCLUDING A ROTOR WITH MAGNET STRUCTURES INCLUDING UNIT MAGNETS AND A STATOR WITH CONCENTRIC WINDINGS

Country Status (9)

Country Link
US (5) US11128186B2 (en)
EP (4) EP3602740B1 (en)
JP (4) JP7307950B2 (en)
CN (4) CN110447161B (en)
DK (4) DK3602742T3 (en)
ES (3) ES2863352T3 (en)
FR (5) FR3064423B1 (en)
RU (1) RU2759599C2 (en)
WO (4) WO2018172634A1 (en)

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FR3113209B1 (en) 2020-07-29 2022-08-12 Renault Sas Method of assembling a magnetic pole element for a rotor for an axial flux electric machine
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FR3119718B1 (en) 2021-06-28 2023-02-10 Renault Sas method of manufacturing an element with magnetic poles
FR3119702B1 (en) 2021-02-05 2023-07-07 Whylot Magnet structure with several unitary magnets with reinforced fastening
FR3119703A1 (en) 2021-02-05 2022-08-12 Renault S.A.S Method for manufacturing a magnet structure with several unitary magnets
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